/*
 * Copyright 2015 GenerallyCloud.com
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ 
package com.generallycloud.nio.common;

import com.generallycloud.nio.LifeCycle;
import com.generallycloud.nio.component.concurrent.Looper;

public class LifeCycleUtil {

	private static Logger	logger	= LoggerFactory.getLogger(LifeCycleUtil.class);

	public static void stop(LifeCycle lifeCycle) {
		if (lifeCycle == null) {
			return;
		}
		try {
			if (lifeCycle.isRunning()) {
				lifeCycle.stop();
			}
		} catch (Throwable e) {
			logger.error(e.getMessage(), e);
		}
	}

	public static void start(LifeCycle lifeCycle){
		
		if (lifeCycle == null) {
			return;
		}
		
		if (!lifeCycle.isStopped()) {
			return;
		}
		
		try {
			lifeCycle.start();
		} catch (Throwable e) {
			throw new RuntimeException(e);
		}
	}
	
	public static void stop(Looper looper){
		if (looper == null) {
			return;
		}
		try {
			looper.stop();
		} catch (Throwable e) {
			logger.error(e.getMessage(), e);
		}
	}

}
